Index 



195 



blennies, 43 



respiration. 104 

 blood plasma, 4 

 of hag-nsh, 41 

 osmotic pressure, 1^ 

 salinity, 8 

 blood worms, 121 

 body fluids, 111, 141 

 bog ponds, few animals in, 59 

 book-lungs of arthropods, 10 

 Borcea, 71 



Bostrichia, beach zone, 19 

 Brachiopoda, in ocean, 13, 93 

 Brdchyura, gills, 107 

 brackish-water animals, 29 

 Branchionus mulleri, 72 

 brine, fly larvae in, 70 



bugs on, 72 

 bryophytes, in evolution, 11 

 bryozoans, in Ganges delta, 27 

 in salt marsh, 33 

 largely marine, 93 

 resistance to dilution, 55 

 succession, 52 

 toleration ranges, 69 

 bugs (see also insects) 



on open sea, 72 

 burrowing animals, 24 

 feed on bacteria, 57 



caddis-fly, gill cavity, 98 



gills, 102 



larva, 102 



salinity endured, 72 

 calcium, in sea water, 4, 72, 73, 77, 



112 

 calcium carbonate, in sea water, 42 

 Callinectes ornatus, 31 



Campanulina ceylonensis, 28 

 Cancer, blood, 117 

 Cancer pagurus, weight changes, 119 

 carbon, 6 



necessary to plants, 56 

 carbonates, in sea water, 73 

 carbon dioxide, 5, 7 

 as a poison, 59 

 pressure, 73 

 respiration, 58 

 sensitivity to, 59 

 tension, 102 

 Carcinas, 26 



blood, 117 

 Carcinus maenas, 29 

 blood, 118 

 salt toleration, 77 

 weight changes, 119 

 Carcinoscorpius rotundicauda, 17 

 Cardisoma, reproduction, 134 



respiration, 109 

 Cardisoma armatum, 21 

 salt toleration, 75 

 C. guanhumi, blood salinity, 

 113 

 carp, activity, 90 



digestion, 137 

 catalysts, 7 



cave animals, activities, 90 

 crickets, 40 

 crustaceans, 39 

 fishes, 39 

 inhabitants, 39 

 centipede (see also myriapods) 



locomotion, 126 

 cephalopods, marine, 93 



haemocyanin, 121 

 Cerebrdtula, oxygen used, 58 



